4225224410521 has 4 divisors (see below), whose sum is σ = 4264712489232. Its totient is φ = 4185736331812.

The previous prime is 4225224410509. The next prime is 4225224410569. The reversal of 4225224410521 is 1250144225224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4225224410521 - 2²¹ = 4225222313369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4225224410581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19744039195 + ... + 19744039408.

It is an arithmetic number, because the mean of its divisors is an integer number (1066178122308).

Almost surely, 2^{4225224410521} is an apocalyptic number.

It is an amenable number.

4225224410521 is a deficient number, since it is larger than the sum of its proper divisors (39488078711).

4225224410521 is a wasteful number, since it uses less digits than its factorization.

4225224410521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39488078710.

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 4225224410521 its reverse (1250144225224), we get a palindrome (5475368635745).

The spelling of 4225224410521 in words is "four trillion, two hundred twenty-five billion, two hundred twenty-four million, four hundred ten thousand, five hundred twenty-one".